ssl_asn1.c revision 296341
1/* ssl/ssl_asn1.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58/* ==================================================================== 59 * Copyright 2005 Nokia. All rights reserved. 60 * 61 * The portions of the attached software ("Contribution") is developed by 62 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 63 * license. 64 * 65 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 66 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 67 * support (see RFC 4279) to OpenSSL. 68 * 69 * No patent licenses or other rights except those expressly stated in 70 * the OpenSSL open source license shall be deemed granted or received 71 * expressly, by implication, estoppel, or otherwise. 72 * 73 * No assurances are provided by Nokia that the Contribution does not 74 * infringe the patent or other intellectual property rights of any third 75 * party or that the license provides you with all the necessary rights 76 * to make use of the Contribution. 77 * 78 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 79 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 80 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 81 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 82 * OTHERWISE. 83 */ 84 85#include <stdio.h> 86#include <stdlib.h> 87#include "ssl_locl.h" 88#include <openssl/asn1_mac.h> 89#include <openssl/objects.h> 90#include <openssl/x509.h> 91 92typedef struct ssl_session_asn1_st { 93 ASN1_INTEGER version; 94 ASN1_INTEGER ssl_version; 95 ASN1_OCTET_STRING cipher; 96 ASN1_OCTET_STRING comp_id; 97 ASN1_OCTET_STRING master_key; 98 ASN1_OCTET_STRING session_id; 99 ASN1_OCTET_STRING session_id_context; 100 ASN1_OCTET_STRING key_arg; 101#ifndef OPENSSL_NO_KRB5 102 ASN1_OCTET_STRING krb5_princ; 103#endif /* OPENSSL_NO_KRB5 */ 104 ASN1_INTEGER time; 105 ASN1_INTEGER timeout; 106 ASN1_INTEGER verify_result; 107#ifndef OPENSSL_NO_TLSEXT 108 ASN1_OCTET_STRING tlsext_hostname; 109 ASN1_INTEGER tlsext_tick_lifetime; 110 ASN1_OCTET_STRING tlsext_tick; 111#endif /* OPENSSL_NO_TLSEXT */ 112#ifndef OPENSSL_NO_PSK 113 ASN1_OCTET_STRING psk_identity_hint; 114 ASN1_OCTET_STRING psk_identity; 115#endif /* OPENSSL_NO_PSK */ 116#ifndef OPENSSL_NO_SRP 117 ASN1_OCTET_STRING srp_username; 118#endif /* OPENSSL_NO_SRP */ 119} SSL_SESSION_ASN1; 120 121int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) 122{ 123#define LSIZE2 (sizeof(long)*2) 124 int v1 = 0, v2 = 0, v3 = 0, v4 = 0, v5 = 0, v7 = 0, v8 = 0; 125 unsigned char buf[4], ibuf1[LSIZE2], ibuf2[LSIZE2]; 126 unsigned char ibuf3[LSIZE2], ibuf4[LSIZE2], ibuf5[LSIZE2]; 127#ifndef OPENSSL_NO_TLSEXT 128 int v6 = 0, v9 = 0, v10 = 0; 129 unsigned char ibuf6[LSIZE2]; 130#endif 131#ifndef OPENSSL_NO_COMP 132 unsigned char cbuf; 133 int v11 = 0; 134#endif 135#ifndef OPENSSL_NO_SRP 136 int v12 = 0; 137#endif 138 long l; 139 SSL_SESSION_ASN1 a; 140 M_ASN1_I2D_vars(in); 141 142 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0))) 143 return (0); 144 145 /* 146 * Note that I cheat in the following 2 assignments. I know that if the 147 * ASN1_INTEGER passed to ASN1_INTEGER_set is > sizeof(long)+1, the 148 * buffer will not be re-OPENSSL_malloc()ed. This is a bit evil but makes 149 * things simple, no dynamic allocation to clean up :-) 150 */ 151 a.version.length = LSIZE2; 152 a.version.type = V_ASN1_INTEGER; 153 a.version.data = ibuf1; 154 ASN1_INTEGER_set(&(a.version), SSL_SESSION_ASN1_VERSION); 155 156 a.ssl_version.length = LSIZE2; 157 a.ssl_version.type = V_ASN1_INTEGER; 158 a.ssl_version.data = ibuf2; 159 ASN1_INTEGER_set(&(a.ssl_version), in->ssl_version); 160 161 a.cipher.type = V_ASN1_OCTET_STRING; 162 a.cipher.data = buf; 163 164 if (in->cipher == NULL) 165 l = in->cipher_id; 166 else 167 l = in->cipher->id; 168 if (in->ssl_version == SSL2_VERSION) { 169 a.cipher.length = 3; 170 buf[0] = ((unsigned char)(l >> 16L)) & 0xff; 171 buf[1] = ((unsigned char)(l >> 8L)) & 0xff; 172 buf[2] = ((unsigned char)(l)) & 0xff; 173 } else { 174 a.cipher.length = 2; 175 buf[0] = ((unsigned char)(l >> 8L)) & 0xff; 176 buf[1] = ((unsigned char)(l)) & 0xff; 177 } 178 179#ifndef OPENSSL_NO_COMP 180 if (in->compress_meth) { 181 cbuf = (unsigned char)in->compress_meth; 182 a.comp_id.length = 1; 183 a.comp_id.type = V_ASN1_OCTET_STRING; 184 a.comp_id.data = &cbuf; 185 } 186#endif 187 188 a.master_key.length = in->master_key_length; 189 a.master_key.type = V_ASN1_OCTET_STRING; 190 a.master_key.data = in->master_key; 191 192 a.session_id.length = in->session_id_length; 193 a.session_id.type = V_ASN1_OCTET_STRING; 194 a.session_id.data = in->session_id; 195 196 a.session_id_context.length = in->sid_ctx_length; 197 a.session_id_context.type = V_ASN1_OCTET_STRING; 198 a.session_id_context.data = in->sid_ctx; 199 200 a.key_arg.length = in->key_arg_length; 201 a.key_arg.type = V_ASN1_OCTET_STRING; 202 a.key_arg.data = in->key_arg; 203 204#ifndef OPENSSL_NO_KRB5 205 if (in->krb5_client_princ_len) { 206 a.krb5_princ.length = in->krb5_client_princ_len; 207 a.krb5_princ.type = V_ASN1_OCTET_STRING; 208 a.krb5_princ.data = in->krb5_client_princ; 209 } 210#endif /* OPENSSL_NO_KRB5 */ 211 212 if (in->time != 0L) { 213 a.time.length = LSIZE2; 214 a.time.type = V_ASN1_INTEGER; 215 a.time.data = ibuf3; 216 ASN1_INTEGER_set(&(a.time), in->time); 217 } 218 219 if (in->timeout != 0L) { 220 a.timeout.length = LSIZE2; 221 a.timeout.type = V_ASN1_INTEGER; 222 a.timeout.data = ibuf4; 223 ASN1_INTEGER_set(&(a.timeout), in->timeout); 224 } 225 226 if (in->verify_result != X509_V_OK) { 227 a.verify_result.length = LSIZE2; 228 a.verify_result.type = V_ASN1_INTEGER; 229 a.verify_result.data = ibuf5; 230 ASN1_INTEGER_set(&a.verify_result, in->verify_result); 231 } 232#ifndef OPENSSL_NO_TLSEXT 233 if (in->tlsext_hostname) { 234 a.tlsext_hostname.length = strlen(in->tlsext_hostname); 235 a.tlsext_hostname.type = V_ASN1_OCTET_STRING; 236 a.tlsext_hostname.data = (unsigned char *)in->tlsext_hostname; 237 } 238 if (in->tlsext_tick) { 239 a.tlsext_tick.length = in->tlsext_ticklen; 240 a.tlsext_tick.type = V_ASN1_OCTET_STRING; 241 a.tlsext_tick.data = (unsigned char *)in->tlsext_tick; 242 } 243 if (in->tlsext_tick_lifetime_hint > 0) { 244 a.tlsext_tick_lifetime.length = LSIZE2; 245 a.tlsext_tick_lifetime.type = V_ASN1_INTEGER; 246 a.tlsext_tick_lifetime.data = ibuf6; 247 ASN1_INTEGER_set(&a.tlsext_tick_lifetime, 248 in->tlsext_tick_lifetime_hint); 249 } 250#endif /* OPENSSL_NO_TLSEXT */ 251#ifndef OPENSSL_NO_PSK 252 if (in->psk_identity_hint) { 253 a.psk_identity_hint.length = strlen(in->psk_identity_hint); 254 a.psk_identity_hint.type = V_ASN1_OCTET_STRING; 255 a.psk_identity_hint.data = (unsigned char *)(in->psk_identity_hint); 256 } 257 if (in->psk_identity) { 258 a.psk_identity.length = strlen(in->psk_identity); 259 a.psk_identity.type = V_ASN1_OCTET_STRING; 260 a.psk_identity.data = (unsigned char *)(in->psk_identity); 261 } 262#endif /* OPENSSL_NO_PSK */ 263#ifndef OPENSSL_NO_SRP 264 if (in->srp_username) { 265 a.srp_username.length = strlen(in->srp_username); 266 a.srp_username.type = V_ASN1_OCTET_STRING; 267 a.srp_username.data = (unsigned char *)(in->srp_username); 268 } 269#endif /* OPENSSL_NO_SRP */ 270 271 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER); 272 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER); 273 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING); 274 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING); 275 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING); 276#ifndef OPENSSL_NO_KRB5 277 if (in->krb5_client_princ_len) 278 M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING); 279#endif /* OPENSSL_NO_KRB5 */ 280 if (in->key_arg_length > 0) 281 M_ASN1_I2D_len_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING); 282 if (in->time != 0L) 283 M_ASN1_I2D_len_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1); 284 if (in->timeout != 0L) 285 M_ASN1_I2D_len_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2); 286 if (in->peer != NULL) 287 M_ASN1_I2D_len_EXP_opt(in->peer, i2d_X509, 3, v3); 288 M_ASN1_I2D_len_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4, 289 v4); 290 if (in->verify_result != X509_V_OK) 291 M_ASN1_I2D_len_EXP_opt(&(a.verify_result), i2d_ASN1_INTEGER, 5, v5); 292 293#ifndef OPENSSL_NO_TLSEXT 294 if (in->tlsext_tick_lifetime_hint > 0) 295 M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9, 296 v9); 297 if (in->tlsext_tick) 298 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10, 299 v10); 300 if (in->tlsext_hostname) 301 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6, 302 v6); 303# ifndef OPENSSL_NO_COMP 304 if (in->compress_meth) 305 M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11); 306# endif 307#endif /* OPENSSL_NO_TLSEXT */ 308#ifndef OPENSSL_NO_PSK 309 if (in->psk_identity_hint) 310 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING, 311 7, v7); 312 if (in->psk_identity) 313 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8, 314 v8); 315#endif /* OPENSSL_NO_PSK */ 316#ifndef OPENSSL_NO_SRP 317 if (in->srp_username) 318 M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12, 319 v12); 320#endif /* OPENSSL_NO_SRP */ 321 322 M_ASN1_I2D_seq_total(); 323 324 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER); 325 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER); 326 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING); 327 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING); 328 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING); 329#ifndef OPENSSL_NO_KRB5 330 if (in->krb5_client_princ_len) 331 M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING); 332#endif /* OPENSSL_NO_KRB5 */ 333 if (in->key_arg_length > 0) 334 M_ASN1_I2D_put_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING, 0); 335 if (in->time != 0L) 336 M_ASN1_I2D_put_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1); 337 if (in->timeout != 0L) 338 M_ASN1_I2D_put_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2); 339 if (in->peer != NULL) 340 M_ASN1_I2D_put_EXP_opt(in->peer, i2d_X509, 3, v3); 341 M_ASN1_I2D_put_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4, 342 v4); 343 if (in->verify_result != X509_V_OK) 344 M_ASN1_I2D_put_EXP_opt(&a.verify_result, i2d_ASN1_INTEGER, 5, v5); 345#ifndef OPENSSL_NO_TLSEXT 346 if (in->tlsext_hostname) 347 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6, 348 v6); 349#endif /* OPENSSL_NO_TLSEXT */ 350#ifndef OPENSSL_NO_PSK 351 if (in->psk_identity_hint) 352 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING, 353 7, v7); 354 if (in->psk_identity) 355 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8, 356 v8); 357#endif /* OPENSSL_NO_PSK */ 358#ifndef OPENSSL_NO_TLSEXT 359 if (in->tlsext_tick_lifetime_hint > 0) 360 M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9, 361 v9); 362 if (in->tlsext_tick) 363 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10, 364 v10); 365#endif /* OPENSSL_NO_TLSEXT */ 366#ifndef OPENSSL_NO_COMP 367 if (in->compress_meth) 368 M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11); 369#endif 370#ifndef OPENSSL_NO_SRP 371 if (in->srp_username) 372 M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12, 373 v12); 374#endif /* OPENSSL_NO_SRP */ 375 M_ASN1_I2D_finish(); 376} 377 378SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, 379 long length) 380{ 381 int ssl_version = 0, i; 382 long id; 383 ASN1_INTEGER ai, *aip; 384 ASN1_OCTET_STRING os, *osp; 385 M_ASN1_D2I_vars(a, SSL_SESSION *, SSL_SESSION_new); 386 387 aip = &ai; 388 osp = &os; 389 390 M_ASN1_D2I_Init(); 391 M_ASN1_D2I_start_sequence(); 392 393 ai.data = NULL; 394 ai.length = 0; 395 M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER); 396 if (ai.data != NULL) { 397 OPENSSL_free(ai.data); 398 ai.data = NULL; 399 ai.length = 0; 400 } 401 402 /* we don't care about the version right now :-) */ 403 M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER); 404 ssl_version = (int)ASN1_INTEGER_get(aip); 405 ret->ssl_version = ssl_version; 406 if (ai.data != NULL) { 407 OPENSSL_free(ai.data); 408 ai.data = NULL; 409 ai.length = 0; 410 } 411 412 os.data = NULL; 413 os.length = 0; 414 M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING); 415 if (ssl_version == SSL2_VERSION) { 416 if (os.length != 3) { 417 c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH; 418 c.line = __LINE__; 419 goto err; 420 } 421 id = 0x02000000L | 422 ((unsigned long)os.data[0] << 16L) | 423 ((unsigned long)os.data[1] << 8L) | (unsigned long)os.data[2]; 424 } else if ((ssl_version >> 8) == SSL3_VERSION_MAJOR 425 || (ssl_version >> 8) == DTLS1_VERSION_MAJOR 426 || ssl_version == DTLS1_BAD_VER) { 427 if (os.length != 2) { 428 c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH; 429 c.line = __LINE__; 430 goto err; 431 } 432 id = 0x03000000L | 433 ((unsigned long)os.data[0] << 8L) | (unsigned long)os.data[1]; 434 } else { 435 c.error = SSL_R_UNKNOWN_SSL_VERSION; 436 c.line = __LINE__; 437 goto err; 438 } 439 440 ret->cipher = NULL; 441 ret->cipher_id = id; 442 443 M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING); 444 if ((ssl_version >> 8) >= SSL3_VERSION_MAJOR) 445 i = SSL3_MAX_SSL_SESSION_ID_LENGTH; 446 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */ 447 i = SSL2_MAX_SSL_SESSION_ID_LENGTH; 448 449 if (os.length > i) 450 os.length = i; 451 if (os.length > (int)sizeof(ret->session_id)) /* can't happen */ 452 os.length = sizeof(ret->session_id); 453 454 ret->session_id_length = os.length; 455 OPENSSL_assert(os.length <= (int)sizeof(ret->session_id)); 456 memcpy(ret->session_id, os.data, os.length); 457 458 M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING); 459 if (os.length > SSL_MAX_MASTER_KEY_LENGTH) 460 ret->master_key_length = SSL_MAX_MASTER_KEY_LENGTH; 461 else 462 ret->master_key_length = os.length; 463 memcpy(ret->master_key, os.data, ret->master_key_length); 464 465 os.length = 0; 466 467#ifndef OPENSSL_NO_KRB5 468 os.length = 0; 469 M_ASN1_D2I_get_opt(osp, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING); 470 if (os.data) { 471 if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH) 472 ret->krb5_client_princ_len = 0; 473 else 474 ret->krb5_client_princ_len = os.length; 475 memcpy(ret->krb5_client_princ, os.data, ret->krb5_client_princ_len); 476 OPENSSL_free(os.data); 477 os.data = NULL; 478 os.length = 0; 479 } else 480 ret->krb5_client_princ_len = 0; 481#endif /* OPENSSL_NO_KRB5 */ 482 483 M_ASN1_D2I_get_IMP_opt(osp, d2i_ASN1_OCTET_STRING, 0, 484 V_ASN1_OCTET_STRING); 485 if (os.length > SSL_MAX_KEY_ARG_LENGTH) 486 ret->key_arg_length = SSL_MAX_KEY_ARG_LENGTH; 487 else 488 ret->key_arg_length = os.length; 489 memcpy(ret->key_arg, os.data, ret->key_arg_length); 490 if (os.data != NULL) 491 OPENSSL_free(os.data); 492 493 ai.length = 0; 494 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 1); 495 if (ai.data != NULL) { 496 ret->time = ASN1_INTEGER_get(aip); 497 OPENSSL_free(ai.data); 498 ai.data = NULL; 499 ai.length = 0; 500 } else 501 ret->time = (unsigned long)time(NULL); 502 503 ai.length = 0; 504 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 2); 505 if (ai.data != NULL) { 506 ret->timeout = ASN1_INTEGER_get(aip); 507 OPENSSL_free(ai.data); 508 ai.data = NULL; 509 ai.length = 0; 510 } else 511 ret->timeout = 3; 512 513 if (ret->peer != NULL) { 514 X509_free(ret->peer); 515 ret->peer = NULL; 516 } 517 M_ASN1_D2I_get_EXP_opt(ret->peer, d2i_X509, 3); 518 519 os.length = 0; 520 os.data = NULL; 521 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 4); 522 523 if (os.data != NULL) { 524 if (os.length > SSL_MAX_SID_CTX_LENGTH) { 525 c.error = SSL_R_BAD_LENGTH; 526 c.line = __LINE__; 527 goto err; 528 } else { 529 ret->sid_ctx_length = os.length; 530 memcpy(ret->sid_ctx, os.data, os.length); 531 } 532 OPENSSL_free(os.data); 533 os.data = NULL; 534 os.length = 0; 535 } else 536 ret->sid_ctx_length = 0; 537 538 ai.length = 0; 539 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 5); 540 if (ai.data != NULL) { 541 ret->verify_result = ASN1_INTEGER_get(aip); 542 OPENSSL_free(ai.data); 543 ai.data = NULL; 544 ai.length = 0; 545 } else 546 ret->verify_result = X509_V_OK; 547 548#ifndef OPENSSL_NO_TLSEXT 549 os.length = 0; 550 os.data = NULL; 551 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 6); 552 if (os.data) { 553 ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length); 554 OPENSSL_free(os.data); 555 os.data = NULL; 556 os.length = 0; 557 } else 558 ret->tlsext_hostname = NULL; 559#endif /* OPENSSL_NO_TLSEXT */ 560 561#ifndef OPENSSL_NO_PSK 562 os.length = 0; 563 os.data = NULL; 564 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 7); 565 if (os.data) { 566 ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length); 567 OPENSSL_free(os.data); 568 os.data = NULL; 569 os.length = 0; 570 } else 571 ret->psk_identity_hint = NULL; 572 573 os.length = 0; 574 os.data = NULL; 575 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 8); 576 if (os.data) { 577 ret->psk_identity = BUF_strndup((char *)os.data, os.length); 578 OPENSSL_free(os.data); 579 os.data = NULL; 580 os.length = 0; 581 } else 582 ret->psk_identity = NULL; 583#endif /* OPENSSL_NO_PSK */ 584 585#ifndef OPENSSL_NO_TLSEXT 586 ai.length = 0; 587 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 9); 588 if (ai.data != NULL) { 589 ret->tlsext_tick_lifetime_hint = ASN1_INTEGER_get(aip); 590 OPENSSL_free(ai.data); 591 ai.data = NULL; 592 ai.length = 0; 593 } else if (ret->tlsext_ticklen && ret->session_id_length) 594 ret->tlsext_tick_lifetime_hint = -1; 595 else 596 ret->tlsext_tick_lifetime_hint = 0; 597 os.length = 0; 598 os.data = NULL; 599 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 10); 600 if (os.data) { 601 ret->tlsext_tick = os.data; 602 ret->tlsext_ticklen = os.length; 603 os.data = NULL; 604 os.length = 0; 605 } else 606 ret->tlsext_tick = NULL; 607#endif /* OPENSSL_NO_TLSEXT */ 608#ifndef OPENSSL_NO_COMP 609 os.length = 0; 610 os.data = NULL; 611 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 11); 612 if (os.data) { 613 ret->compress_meth = os.data[0]; 614 OPENSSL_free(os.data); 615 os.data = NULL; 616 } 617#endif 618 619#ifndef OPENSSL_NO_SRP 620 os.length = 0; 621 os.data = NULL; 622 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 12); 623 if (os.data) { 624 ret->srp_username = BUF_strndup((char *)os.data, os.length); 625 OPENSSL_free(os.data); 626 os.data = NULL; 627 os.length = 0; 628 } else 629 ret->srp_username = NULL; 630#endif /* OPENSSL_NO_SRP */ 631 632 M_ASN1_D2I_Finish(a, SSL_SESSION_free, SSL_F_D2I_SSL_SESSION); 633} 634